diff --git a/components/hospital-picker/hospital-picker.vue b/components/hospital-picker/hospital-picker.vue
new file mode 100644
index 0000000..5b3abe5
--- /dev/null
+++ b/components/hospital-picker/hospital-picker.vue
@@ -0,0 +1,289 @@
+<template>
+	<u-popup :show="visible" mode="bottom" round="16" :closeOnClickOverlay="true" :safeAreaInsetBottom="true" @close="handleClose">
+		<view class="picker-wrap">
+			<view class="picker-header">
+				<text class="picker-title">选择就诊医院</text>
+				<u-icon name="close" size="36rpx" color="#999" @click="handleClose" />
+			</view>
+
+			<!-- 全量医院搜索 -->
+			<view class="search-bar">
+				<u--input v-model="hospitalKeyword" placeholder="搜索医院名称" prefixIcon="search" prefixIconStyle="color: #999" border="surround" shape="circle" clearable />
+			</view>
+
+			<!-- Tab 切换：省 → 市 → 区 → 医院 -->
+			<view class="tab-bar">
+				<view class="tab-item" :class="{ active: currentTab === 'province' }" @click="switchTab('province')">
+					{{ selectedProvince ? selectedProvince.provinceName : '请选择省份' }}
+				</view>
+				<view v-if="selectedProvince" class="tab-item" :class="{ active: currentTab === 'city' }" @click="switchTab('city')">
+					{{ selectedCity ? selectedCity.cityName : '请选择城市' }}
+				</view>
+				<view v-if="selectedCity" class="tab-item" :class="{ active: currentTab === 'district' }" @click="switchTab('district')">
+					{{ selectedDistrict ? selectedDistrict.districtName : '请选择区县' }}
+				</view>
+				<view v-if="selectedDistrict" class="tab-item" :class="{ active: currentTab === 'hospital' }" @click="switchTab('hospital')">
+					{{ selectedHospital ? selectedHospital.name : '请选择医院' }}
+				</view>
+			</view>
+
+			<!-- 列表区域 -->
+			<scroll-view class="list-wrap" scroll-y>
+				<!-- 全量搜索结果 -->
+				<template v-if="hasSearchKeyword">
+					<view v-for="item in globalFilteredHospitals" :key="item.id" class="list-item"
+						:class="{ selected: selectedHospital && selectedHospital.id === item.id }" @click="onSelectHospital(item)">
+						<view class="hospital-result">
+							<text class="hospital-name">{{ item.name }}</text>
+							<text class="hospital-region">{{ item.regionText || '地区未设置' }}</text>
+						</view>
+						<u-icon v-if="selectedHospital && selectedHospital.id === item.id" name="checkmark" color="#FF7700" size="28rpx" />
+					</view>
+				</template>
+				<!-- 省份 -->
+				<template v-else-if="currentTab === 'province'">
+					<view v-for="item in provinces" :key="item.provinceCode || item.provinceName" class="list-item"
+						:class="{ selected: selectedProvince === item }" @click="onSelectProvince(item)">
+						<text>{{ item.provinceName }}</text>
+						<u-icon v-if="selectedProvince === item" name="checkmark" color="#FF7700" size="28rpx" />
+					</view>
+				</template>
+				<!-- 城市 -->
+				<template v-if="currentTab === 'city'">
+					<view v-for="item in cities" :key="item.cityCode || item.cityName" class="list-item"
+						:class="{ selected: selectedCity === item }" @click="onSelectCity(item)">
+						<text>{{ item.cityName }}</text>
+						<u-icon v-if="selectedCity === item" name="checkmark" color="#FF7700" size="28rpx" />
+					</view>
+				</template>
+				<!-- 区县 -->
+				<template v-if="currentTab === 'district'">
+					<view v-for="item in districts" :key="item.districtCode || item.districtName" class="list-item"
+						:class="{ selected: selectedDistrict === item }" @click="onSelectDistrict(item)">
+						<text>{{ item.districtName }}</text>
+						<u-icon v-if="selectedDistrict === item" name="checkmark" color="#FF7700" size="28rpx" />
+					</view>
+				</template>
+				<!-- 医院 -->
+				<template v-if="currentTab === 'hospital'">
+					<view v-for="item in filteredHospitals" :key="item.id" class="list-item"
+						:class="{ selected: selectedHospital && selectedHospital.id === item.id }" @click="onSelectHospital(item)">
+						<text>{{ item.name }}</text>
+						<u-icon v-if="selectedHospital && selectedHospital.id === item.id" name="checkmark" color="#FF7700" size="28rpx" />
+					</view>
+				</template>
+				<u-empty v-if="currentEmpty" mode="data" text="暂无数据" marginTop="60" />
+			</scroll-view>
+		</view>
+	</u-popup>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+
+const props = defineProps({
+	hospitalData: { type: Array, default: () => [] }
+})
+const emit = defineEmits(['confirm'])
+
+const visible = ref(false)
+const currentTab = ref('province')
+const selectedProvince = ref(null)
+const selectedCity = ref(null)
+const selectedDistrict = ref(null)
+const selectedHospital = ref(null)
+const hospitalKeyword = ref('')
+
+const provinces = computed(() => props.hospitalData || [])
+const cities = computed(() => (selectedProvince.value && selectedProvince.value.cities) || [])
+const districts = computed(() => (selectedCity.value && selectedCity.value.districts) || [])
+const hospitals = computed(() => (selectedDistrict.value && selectedDistrict.value.hospitals) || [])
+
+const hasSearchKeyword = computed(() => !!hospitalKeyword.value.trim())
+const globalHospitals = computed(() => {
+	const list = []
+	provinces.value.forEach(prov => {
+		;(prov.cities || []).forEach(city => {
+			;(city.districts || []).forEach(dist => {
+				;(dist.hospitals || []).forEach(h => {
+					list.push({
+						...h,
+						_province: prov,
+						_city: city,
+						_district: dist,
+						regionText: [prov.provinceName, city.cityName, dist.districtName].filter(Boolean).join(' ')
+					})
+				})
+			})
+		})
+	})
+	return list
+})
+const globalFilteredHospitals = computed(() => {
+	const kw = hospitalKeyword.value.trim()
+	if (!kw) return []
+	return globalHospitals.value.filter(h => h.name.includes(kw) || (h.regionText && h.regionText.includes(kw)))
+})
+
+const filteredHospitals = computed(() => {
+	return hospitals.value
+})
+
+const currentEmpty = computed(() => {
+	if (hasSearchKeyword.value) return globalFilteredHospitals.value.length === 0
+	if (currentTab.value === 'province') return provinces.value.length === 0
+	if (currentTab.value === 'city') return cities.value.length === 0
+	if (currentTab.value === 'district') return districts.value.length === 0
+	return filteredHospitals.value.length === 0
+})
+
+const switchTab = (tab) => { currentTab.value = tab }
+
+const onSelectProvince = (item) => {
+	selectedProvince.value = item
+	selectedCity.value = null
+	selectedDistrict.value = null
+	selectedHospital.value = null
+	if (item.cities && item.cities.length === 1) {
+		selectedCity.value = item.cities[0]
+		if (selectedCity.value.districts && selectedCity.value.districts.length === 1) {
+			selectedDistrict.value = selectedCity.value.districts[0]
+			currentTab.value = 'hospital'
+		} else {
+			currentTab.value = 'district'
+		}
+	} else {
+		currentTab.value = 'city'
+	}
+}
+
+const onSelectCity = (item) => {
+	selectedCity.value = item
+	selectedDistrict.value = null
+	selectedHospital.value = null
+	if (item.districts && item.districts.length === 1) {
+		selectedDistrict.value = item.districts[0]
+		currentTab.value = 'hospital'
+	} else {
+		currentTab.value = 'district'
+	}
+}
+
+const onSelectDistrict = (item) => {
+	selectedDistrict.value = item
+	selectedHospital.value = null
+	hospitalKeyword.value = ''
+	currentTab.value = 'hospital'
+}
+
+const onSelectHospital = (item) => {
+	if (item._province) selectedProvince.value = item._province
+	if (item._city) selectedCity.value = item._city
+	if (item._district) selectedDistrict.value = item._district
+	selectedHospital.value = item
+	emitData()
+	handleClose()
+}
+
+const emitData = () => {
+	if (!selectedHospital.value) return
+	emit('confirm', {
+		hospitalId: selectedHospital.value.id,
+		hospitalName: selectedHospital.value.name,
+		province_code: selectedHospital.value.province_code || (selectedProvince.value && selectedProvince.value.provinceCode) || '',
+		city_code: selectedHospital.value.city_code || (selectedCity.value && selectedCity.value.cityCode) || '',
+		district_code: selectedHospital.value.district_code || (selectedDistrict.value && selectedDistrict.value.districtCode) || ''
+	})
+}
+
+const handleClose = () => {
+	visible.value = false
+}
+
+const open = (initial = {}) => {
+	selectedProvince.value = null
+	selectedCity.value = null
+	selectedDistrict.value = null
+	selectedHospital.value = null
+	hospitalKeyword.value = ''
+	currentTab.value = 'province'
+
+	const provinceCode = initial.province_code || ''
+	const cityCode = initial.city_code || ''
+	const districtCode = initial.district_code || ''
+	const hospitalName = initial.hospitalName || initial.hospital || ''
+	const hospitalId = initial.hospitalId || ''
+
+	if (provinceCode) {
+		selectedProvince.value = provinces.value.find(p => p.provinceCode === provinceCode) || null
+		if (selectedProvince.value && cityCode) {
+			selectedCity.value = (selectedProvince.value.cities || []).find(c => c.cityCode === cityCode) || null
+			if (selectedCity.value && districtCode) {
+				selectedDistrict.value = (selectedCity.value.districts || []).find(d => d.districtCode === districtCode) || null
+			}
+		}
+	}
+
+	if (!selectedDistrict.value && (hospitalName || hospitalId)) {
+		findHospitalPath(hospitalName, hospitalId)
+	}
+
+	if (selectedDistrict.value) {
+		selectedHospital.value = (selectedDistrict.value.hospitals || []).find(h => {
+			return (hospitalId && h.id === hospitalId) || (hospitalName && h.name === hospitalName)
+		}) || null
+		currentTab.value = 'hospital'
+	} else if (selectedCity.value) {
+		currentTab.value = 'district'
+	} else if (selectedProvince.value) {
+		currentTab.value = 'city'
+	}
+	visible.value = true
+}
+
+const findHospitalPath = (hospitalName, hospitalId) => {
+	for (const prov of provinces.value) {
+		for (const city of (prov.cities || [])) {
+			for (const dist of (city.districts || [])) {
+				const hospital = (dist.hospitals || []).find(h => {
+					return (hospitalId && h.id === hospitalId) || (hospitalName && h.name === hospitalName)
+				})
+				if (hospital) {
+					selectedProvince.value = prov
+					selectedCity.value = city
+					selectedDistrict.value = dist
+					selectedHospital.value = hospital
+					return
+				}
+			}
+		}
+	}
+}
+
+defineExpose({ open })
+</script>
+
+<style lang="scss" scoped>
+.picker-wrap { height: 70vh; display: flex; flex-direction: column; }
+.picker-header { display: flex; align-items: center; justify-content: space-between; padding: 28rpx 32rpx; border-bottom: 1rpx solid #f0f0f0; }
+.picker-title { font-size: 32rpx; font-weight: 600; color: #333; }
+.tab-bar { display: flex; padding: 20rpx 32rpx; gap: 24rpx; border-bottom: 1rpx solid #f0f0f0; flex-wrap: wrap; }
+.tab-item {
+	font-size: 26rpx; color: #999; padding-bottom: 12rpx; position: relative;
+	max-width: 240rpx; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+	&.active {
+		color: #FF7700; font-weight: 500;
+		&::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4rpx; background: #FF7700; border-radius: 2rpx; }
+	}
+}
+.search-bar { padding: 16rpx 32rpx; border-bottom: 1rpx solid #f0f0f0; }
+.list-wrap { flex: 1; overflow: hidden; }
+.list-item {
+	display: flex; align-items: center; justify-content: space-between;
+	padding: 28rpx 32rpx; font-size: 28rpx; color: #333; border-bottom: 1rpx solid #f8f8f8;
+	&.selected { color: #FF7700; background: #FFF8F0; }
+}
+.hospital-result { display: flex; flex-direction: column; gap: 8rpx; min-width: 0; }
+.hospital-name { font-size: 28rpx; color: #333; }
+.hospital-region { font-size: 22rpx; color: #999; }
+</style>
diff --git a/config/env.js b/config/env.js
index 43c7ad5..c98ce7b 100644
--- a/config/env.js
+++ b/config/env.js
@@ -1,8 +1,8 @@
 const envConf = {
   // 开发版-本地环境
   develop: {
-    // BASE_URL: 'http://192.168.10.8:8361',
-    BASE_URL: 'https://cytx.csybhelp.com',
+    BASE_URL: 'http://192.168.10.8:8361',
+    // BASE_URL: 'https://cytx.csybhelp.com',
   },
   // 体验版-测试环境
   trial: {
diff --git a/pages/myinfo/myinfo.vue b/pages/myinfo/myinfo.vue
index 90a7161..8aeab59 100644
--- a/pages/myinfo/myinfo.vue
+++ b/pages/myinfo/myinfo.vue
@@ -51,12 +51,10 @@
 			</view>
 			<view class="form-group">
 				<text class="form-label">医院名称</text>
-				<!-- 有医院数据：点击弹窗选择；无数据：降级为输入框 -->
-				<view v-if="hospitalOptions.length" class="region-row" @tap="openHospitalPopup">
-					<text :class="['region-text', form.hospital ? '' : 'placeholder']">{{ form.hospital || '请选择医院' }}</text>
+				<view class="region-row" @tap="openHospitalPicker">
+					<text :class="['region-text', form.hospital ? '' : 'placeholder']">{{ form.hospital || '请选择就诊医院' }}</text>
 					<text class="arrow">›</text>
 				</view>
-				<u-input v-else v-model="form.hospital" placeholder="请输入就诊医院名称" border="surround" />
 			</view>
 			<view class="form-group">
 				<text class="form-label">癌种</text>
@@ -154,42 +152,8 @@
 		<u-picker v-if="regionColumns[0].length" :show="showRegionPicker" :columns="regionColumns" @confirm="onRegionConfirm"
 			@cancel="showRegionPicker = false" @change="onRegionChange" :defaultIndex="regionDefaultIndex" />
 
-		<!-- 医院搜索弹窗 -->
-		<u-popup :show="showHospitalPopup" mode="bottom" round="24" :closeable="true" :safeAreaInsetBottom="true" @close="showHospitalPopup = false">
-			<view class="hospital-popup">
-				<text class="popup-title">选择医院</text>
-				<view class="search-bar">
-					<u--input v-model="hospitalKeywords" placeholder="搜索医院名称" prefixIcon="search" prefixIconStyle="color: #999" border="surround" shape="circle" @change="searchHospital" />
-				</view>
-				<scroll-view scroll-y class="hospital-list">
-					<view v-for="item in filteredHospitals" :key="item.id" class="hospital-item" @click="onSelectHospital(item)">
-						<text>{{ item.name }}</text>
-						<u-icon v-if="form.hospital === item.name" name="checkmark" size="16" color="#0E63E3" />
-					</view>
-					<view v-if="!filteredHospitals.length" class="empty-tip">
-						<text>没有找到相关医院</text>
-					</view>
-				</scroll-view>
-				<view class="add-hospital-link" v-if="hospitalKeywords.trim() && filteredHospitals.length <= 5" @click="manualInputHospital">
-					<text>找不到医院？手动填写</text>
-					<u-icon name="arrow-right" size="14" color="#0E63E3" />
-				</view>
-			</view>
-		</u-popup>
-
-		<!-- 手动输入医院弹窗 -->
-		<u-popup :show="showManualHospital" mode="center" round="12" :safeAreaInsetBottom="false" @close="showManualHospital = false">
-			<view class="manual-hospital-popup">
-				<text class="popup-title">手动填写医院</text>
-				<view class="manual-input">
-					<u--input v-model="manualHospitalName" placeholder="请输入医院名称" border="surround" />
-				</view>
-				<view class="manual-btns">
-					<u-button text="取消" size="normal" :plain="true" shape="circle" @click="showManualHospital = false" />
-					<u-button text="确定" size="normal" color="#0E63E3" shape="circle" @click="confirmManualHospital" />
-				</view>
-			</view>
-		</u-popup>
+		<!-- 医院选择器组件 -->
+		<hospital-picker ref="hospitalPickerRef" :hospital-data="hospitalTree" @confirm="onHospitalConfirm" />
 
 		<!-- 已通过重新提交确认弹窗 -->
 		<u-popup :show="showConfirmPopup" mode="center" round="12" :safeAreaInsetBottom="false" @close="showConfirmPopup = false">
@@ -218,6 +182,9 @@ const form = reactive({
 	district_code: '',
 	address: '',
 	hospital: '',
+	hospital_province_code: '',
+	hospital_city_code: '',
+	hospital_district_code: '',
 	emergency_contact: '',
 	emergency_phone: '',
 	tag: '',
@@ -236,51 +203,30 @@ const agreed = ref(false)
 
 // 瘤种选项
 const tagOptions = ref([])
-const showReturnRegionPicker = ref(false)
-const returnRegionDefaultIndex = ref([0, 0, 0])
-
-// 医院选项
-const hospitalOptions = ref([])
-const showHospitalPopup = ref(false)
-const hospitalKeywords = ref('')
-const showManualHospital = ref(false)
-const manualHospitalName = ref('')
-
-const filteredHospitals = computed(() => {
-	const kw = hospitalKeywords.value.trim()
-	if (!kw) return hospitalOptions.value
-	return hospitalOptions.value.filter(h => h.name.includes(kw))
-})
 
-const openHospitalPopup = () => {
-	hospitalKeywords.value = ''
-	showHospitalPopup.value = true
-}
-
-const searchHospital = () => {
-	// 本地过滤，filteredHospitals 自动响应
-}
-
-const onSelectHospital = (item) => {
-	form.hospital = item.name
-	showHospitalPopup.value = false
-}
-
-const manualInputHospital = () => {
-	// 关闭搜索弹窗，打开手动输入弹窗，带入搜索框内容
-	manualHospitalName.value = hospitalKeywords.value.trim()
-	showHospitalPopup.value = false
-	showManualHospital.value = true
-}
+// 医院选择器
+const hospitalTree = ref([])
+const hospitalPickerRef = ref(null)
 
-const confirmManualHospital = () => {
-	const name = manualHospitalName.value.trim()
-	if (!name) {
-		uni.showToast({ title: '请输入医院名称', icon: 'none' })
+const openHospitalPicker = () => {
+	if (!hospitalTree.value.length) {
+		uni.showToast({ title: '医院列表加载中，请稍候', icon: 'none' })
+		loadHospitalTree()
 		return
 	}
-	form.hospital = name
-	showManualHospital.value = false
+	hospitalPickerRef.value && hospitalPickerRef.value.open({
+		hospital: form.hospital,
+		province_code: form.hospital_province_code,
+		city_code: form.hospital_city_code,
+		district_code: form.hospital_district_code
+	})
+}
+
+const onHospitalConfirm = (data) => {
+	form.hospital = data.hospitalName || ''
+	form.hospital_province_code = data.province_code || ''
+	form.hospital_city_code = data.city_code || ''
+	form.hospital_district_code = data.district_code || ''
 }
 
 // 签署时的额外信息（用于重签回显）
@@ -407,7 +353,7 @@ onLoad(async () => {
 	await loadInfo()
 	loadSubscribeConfig()
 	loadTagOptions()
-	loadHospitals()
+	loadHospitalTree()
 })
 
 onBeforeUnmount(() => {
@@ -496,6 +442,9 @@ const loadInfo = async () => {
 		form.district_code = res.data.district_code || ''
 		form.address = res.data.address || ''
 		form.hospital = res.data.hospital || ''
+		form.hospital_province_code = res.data.hospital_province_code || ''
+		form.hospital_city_code = res.data.hospital_city_code || ''
+		form.hospital_district_code = res.data.hospital_district_code || ''
 		form.emergency_contact = res.data.emergency_contact || ''
 		form.emergency_phone = res.data.emergency_phone || ''
 		form.tag = res.data.tag || ''
@@ -532,10 +481,10 @@ const loadTagOptions = async () => {
 	} catch (e) {}
 }
 
-const loadHospitals = async () => {
+const loadHospitalTree = async () => {
 	try {
-		const res = await get('/common/hospitals')
-		hospitalOptions.value = res.data || []
+		const res = await get('/common/hospitalTree')
+		hospitalTree.value = res.data || []
 	} catch (e) {}
 }
 
@@ -628,6 +577,9 @@ const doSubmit = async () => {
 			district_code: form.district_code,
 			address: form.address.trim(),
 			hospital: form.hospital,
+			hospital_province_code: form.hospital_province_code,
+			hospital_city_code: form.hospital_city_code,
+			hospital_district_code: form.hospital_district_code,
 			emergency_contact: form.emergency_contact,
 			emergency_phone: form.emergency_phone,
 			tag: form.tag,
@@ -984,73 +936,4 @@ const doSubmit = async () => {
 	gap: 24rpx;
 }
 
-.hospital-popup {
-	padding: 32rpx;
-	display: flex;
-	flex-direction: column;
-	height: 70vh;
-}
-
-.popup-title {
-	font-size: 32rpx;
-	font-weight: 600;
-	color: #333;
-	text-align: center;
-	margin-bottom: 24rpx;
-}
-
-.search-bar {
-	margin-bottom: 16rpx;
-}
-
-.hospital-list {
-	flex: 1;
-	overflow: hidden;
-}
-
-.hospital-item {
-	display: flex;
-	align-items: center;
-	justify-content: space-between;
-	padding: 28rpx 16rpx;
-	border-bottom: 1rpx solid #f0f0f0;
-	font-size: 28rpx;
-	color: #333;
-
-	&:active {
-		background: #f5f7fa;
-	}
-}
-
-.empty-tip {
-	text-align: center;
-	padding: 60rpx 0;
-	font-size: 26rpx;
-	color: #999;
-}
-
-.add-hospital-link {
-	display: flex;
-	align-items: center;
-	justify-content: center;
-	gap: 8rpx;
-	padding: 28rpx 0;
-	font-size: 28rpx;
-	color: #0e63e3;
-	border-top: 1rpx solid #f0f0f0;
-}
-
-.manual-hospital-popup {
-	padding: 48rpx 40rpx 40rpx;
-	width: 560rpx;
-}
-
-.manual-input {
-	margin-bottom: 40rpx;
-}
-
-.manual-btns {
-	display: flex;
-	gap: 24rpx;
-}
 </style>